EP0530652B1 - Dispositif de filage à grande vitesse de fils multifilaments et son utilisation - Google Patents

Dispositif de filage à grande vitesse de fils multifilaments et son utilisation Download PDF

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Publication number
EP0530652B1
EP0530652B1 EP92114493A EP92114493A EP0530652B1 EP 0530652 B1 EP0530652 B1 EP 0530652B1 EP 92114493 A EP92114493 A EP 92114493A EP 92114493 A EP92114493 A EP 92114493A EP 0530652 B1 EP0530652 B1 EP 0530652B1
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EP
European Patent Office
Prior art keywords
spinneret
cooling
filaments
yarns
spinning
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Expired - Lifetime
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EP92114493A
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German (de)
English (en)
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EP0530652A3 (en
EP0530652A2 (fr
Inventor
Diederich Dr. Schilo
Wolfgang Peschke
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*DIOLEN INDUSTRIAL FIBERS G.M.B.H.
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Akzo Nobel NV
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Priority claimed from DE4129521A external-priority patent/DE4129521A1/de
Application filed by Akzo Nobel NV filed Critical Akzo Nobel NV
Publication of EP0530652A2 publication Critical patent/EP0530652A2/fr
Publication of EP0530652A3 publication Critical patent/EP0530652A3/de
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/084—Heating filaments, threads or the like, leaving the spinnerettes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys

Definitions

  • the present invention relates to a device for melt spinning multifilament threads from thread-forming polymers according to the preamble of claim 1, as is known for example from DE-A-1 914 556.
  • the invention also relates to the use of this device for the production of polyester filament yarns.
  • winding speed of the multifilament threads is an essential factor for reasons of economy. Winding speeds of 3 500 to about 5,000 m / min are common today, winding speeds of more than 5,000 m / min to about 12,000 m / min are also known. At these high wind-up speeds, especially at wind-up speeds above of 5,000 m / min, it follows from the previously known production processes that the structural design of the device used for the production plays an ever increasing role, while process engineering features are increasingly taking a back seat.
  • EP-A-56 963 describes a process for producing a polyester fiber with a winding speed of at least 5,000 m / min, in which the extruded filaments first pass through a heating zone with a length of at least 50 mm and then directly into a suction device before they are wound up.
  • the device described for carrying out the known method is distinguished by a simple structure.
  • EP-A-95 712 A further simplification of this known device results from EP-A-95 712, in which below the heating zone there is firstly a cooling device for solidifying the threads and then a junction element for the filaments, after which the multifilament yarn is wound up.
  • Essential components of this device are the heating zone below the spinneret, the location of the bundling of the filaments and the winding speed of 7,000 m / min and more.
  • EP-A-117 215 A similar device is described in EP-A-117 215, in which, in addition to the location where the filaments are brought together, the distance between the nozzle and the winding is also indicated as an essential feature.
  • EP-A-244 216 states that the cooling air is to be supplied radially from outside to inside via a wire mesh cylinder under controlled conditions.
  • This device additionally requires a strong reduction in the outlet cross section of the wire mesh cylinder, which merges into a narrow tube, which means that piecing is associated with very great effort.
  • the filament threads are spun in a closed spinning chamber. If this spinning chamber is used as a cooling device, the cooling air is extracted via an injector. The injector must first be removed for piecing, which makes piecing very complex.
  • the cooling device is a porous tube which is open in the spinning direction and is arranged concentrically to the spinning line, and the porous tube has no further devices which supply or discharge a cooling medium. are connected downstream (DE-A-19 14 556).
  • the object of the present invention is to provide a device of the type mentioned at the outset, which has an uncomplicated structure and for the production of multifilament threads from thread-forming polymers with winding speeds of at least 2,000 m / min, in particular at least 5,000 m / min is suitable, in which also the piecing can be easily accomplished, and its use for the production of multifilament threads is particularly versatile.
  • a device for melt spinning multifilament threads made of thread-forming polymers with a spinneret a cooling device for solidifying the threads and a merging element for the filaments, a substantially vertical spinning line being provided at least between the nozzle and the first feeding element, and the cooling device is a porous, open in the spinning direction, which is arranged concentrically to the spinning line, and the porous tube no further, a cooling medium supply or discharge devices are connected upstream or downstream, solved in that the device also has a winding for winding speeds of has at least 2000 m / min, and that the porous tube has a porosity which causes a pressure loss of 3 to 150 Pa at a flow rate of air at 1 m / s.
  • the cooling device of the device according to the invention Because of the simple design of the cooling device of the device according to the invention, it is also very easy to adapt the length of the tube to an optimal course of the spinning. All that is required is a set of porous tubes of different lengths in the range from 200 to 1,800 mm are to be provided, the lengths of the individual tubes, for example, differing by about 100 mm each. For further simplification, however, the porous tube can also be made telescopic.
  • a length of the porous tube of 200 to 1200 mm is particularly suitable for the production of FOY yarns, which are wound up at a speed of 5,000 to 10,000 m / min, while for POY yarns, which are usually at 2 000 to 5,000 m / min, a porous tube with a length of 900 to 1,800 mm should be used.
  • a porous tube with a length that is in the upper range of the specified lengths should be used to produce thicker filaments or filament yarns with a higher overall denier.
  • porous tube has a constant cross-section in its longitudinal direction, which makes it particularly easy to spin on the device because the filaments pass through the tube zone in free fall and can be collected underneath the tube.
  • tube shapes are also possible, for example frusto-conical tubes.
  • the cooling air required to solidify the threads is sucked in by the threads themselves through the porous tube due to the high speed of the threads. Conditioning of the cooling air is not necessary.
  • the normal climate in the area of the device according to the invention is sufficient in particular for polyester filament yarns, which is why the operating personnel can work on the device according to the invention in a comfortable climate.
  • the device according to the invention requires less space than the known devices because no channels for supplying conditioned air are required. When piecing results less waste.
  • the device is also characterized by a particularly low energy requirement, since no conditioning of the cooling air and no further devices influencing the temperature of the thread are required before winding up.
  • the porous tube is cylindrical, the cross section of the cylinder being able to have practically all common geometrical shapes such as, for example, a circle, ellipse, octagon or hexagon. It is particularly favorable if the inner cross section of the porous tube has at least approximately the same geometric figure as the outer contour of the filament bundle. This results in a particularly uniform solidification of the individual filaments. It is expedient to choose the distance between the outer contour of the filament bundle and the inner wall of the porous tube at the inlet cross-section so that contact with the tube wall is avoided in any case.
  • the porous tube When selecting the material for the porous tube, it is only necessary to ensure that the porous tube can be attached directly to the spinneret and thus in the in the temperatures prevailing in the spinneret have not yet softened. Metals, in particular steel, are particularly suitable for this. At least the porous tube should connect to the spinneret, to the spinning head or to a cooling delay device connected between the spinneret and the porous tube in such a way that in the area of the porous tube an air entry is only possible via the pore system of the porous tube and that uncontrolled inflow of cooling medium in the area below the spinneret is effectively avoided.
  • the porosity of the tubes can be ensured by perforated tubes, but also by sintered metals.
  • all the porous tubes are suitable, the porosity of which, at a flow rate of air at 1 m / s, causes a pressure loss of approximately 3 to 150 Pa, a pressure loss in the range of 10 Pa having been found to be favorable.
  • the porous tube is formed from a metal sieve, a metal sieve with 60 mesh being very suitable.
  • a further tube made of perforated plate can be arranged within the metal sieve tube.
  • the porous tube can be connected directly to the spinneret. Between the spinneret and the porous tube, however, an up to 300 mm long device which hinders the cooling of the filaments and to which the porous tube connects can be interposed.
  • the filament cooling can be impeded, for example, by the fact that the cooling-obstructing device is called from a filament-enveloping device Airflow exists. This results in a particularly uniform, delayed cooling of the filaments.
  • Favorable results are achieved when the hot air jacket has a temperature which corresponds approximately to the temperature of the spinneret.
  • the hot air jacket can be achieved particularly inexpensively if the spinneret is a multiple spinneret, in which the pressing out of the melt is provided in the middle, and in which one or more openings are provided concentrically around the center, through which a hot air stream exits the filaments covered. It is particularly advantageous here if the opening arranged concentrically around the center is an annular gap.
  • the use of such spinnerets for delayed cooling of the filaments is known per se from DE-OS 39 41 824 and from EP-A-0 455 897.
  • a hindrance to filament cooling can also be achieved in a particularly simple manner in that the device which hinders the cooling of the filaments is a heated, in particular an unheated, tube.
  • the device that hinders the cooling of the filaments is particularly simple if a section of the portion of the porous tube facing the spinneret that is up to 300 mm long is covered.
  • the covered section is preferably arranged directly below the spinneret.
  • the impediment to filament cooling results in a delayed cooling of the filaments, which promotes an undisturbed spinning process, particularly with low individual titers.
  • the cover of the porous tube is arranged at a distance of 200 to 300 mm away from the spinneret.
  • the device according to the invention has proven particularly useful if the merging member is arranged at a distance of 400 to 2,200 mm from the spinneret, but at least about 100 mm below the porous tube.
  • the merging member can be a thread guide.
  • the merging member is a preparation application device known per se.
  • the device according to the invention particularly large distances between the spinneret and the take-up of, for example, up to 9000 mm can also be achieved.
  • the device according to the invention has proven particularly useful when the winding is arranged approximately 2,000 to 4,000 mm below the spinneret.
  • a device for swirling the filaments is arranged before winding.
  • a further reduction in spinning disturbances is achieved in that the spinneret is preceded by a melt line for supplying the polymer melt from an extruder to the spinneret, in which line at least one static mixer is arranged.
  • the uniformity properties of the spun filament yarns are favorably influenced.
  • the static mixers are arranged at one or more points in the melt line between the extruder and the spinneret.
  • the polyester filament yarns When using the device according to the invention for the production of polyester filament yarns, the polyester filament yarns being wound at speeds of up to 10,000 m / min, the yarns obtained in this way have a low coefficient of variation, low cooking and hot air shrinkage values and are particularly easy and deep to dye .
  • the use of the device according to the invention for the production of polyester yarns at winding speeds of 6,000 to 8,000 m / min has proven to be particularly favorable.
  • the use of the Device also for the production of filament yarns from polyethylene terephthalate, polyamide, polyamide 6, polyamide 6,6, their copolymers or from mixtures of these polymers has been found to be particularly favorable.
  • the device is also excellently suited for use in the production of filament yarns, the filament yarns being wound at speeds of 2,000 to 8,000 m / min, after which the filaments of the filament yarns have a single denier of 0.1 to 5 dtex.
  • microfibers whose individual titers are in the range from about 0.1 to 1.5 dtex can thus also be produced particularly inexpensively, although it is recommended that the lower the winding speed and machine height, the lower the Individual titer of the filaments should be the filament yarn.
  • the device according to the invention is also suitable for the production of POY yarns. It is therefore preferred to use the device according to the invention for the production of polyester yarns, the polyester yarns being wound up at speeds of 2,000 to 5,000 m / min.
  • a spinneret 2 is installed in a spinning head 1.
  • a plurality of filaments 3 are extruded from the spinneret 2 and are taken up by a porous tube 4 directly below the spinneret. After leaving the porous tube 4, the filaments are combined into a yarn via the merging member 6 - in the illustrated case a thread guide.
  • An air swirling unit 7 can be installed in the yarn before winding 8.
  • parallel plate nozzles are particularly suitable, which are advantageously operated with blowing pressures of 1.5 to 8 bar, the pressure being selected the higher the higher the spinning speed is set.
  • Thread monitoring systems such as, for example, fluff monitors and thread cutters can also be provided along the spinning line A - A (not shown).
  • experiment D a spinneret with 36 holes was used, the Y profile for a triangular cross section, which corresponds to a diameter of about 250 »m.
  • the moisture content of the granules was determined by heating a sample in vacuo to 200 ° C. and reading off the vapor pressure. The moisture content of the granules can be determined using a calibration curve.
  • the relative solution viscosity was measured in a standard Ubbelohde viscometer, a 1% solution in n-cresol being prepared beforehand. The measurement was carried out at 25 ° C. On the one hand the throughput time of the solution and on the other hand the throughput time of the solvent are measured in the same viscometer, from which the relative viscosity is calculated as the ratio of the two throughput times.
  • a parallel plate nozzle was used as the swirling nozzle, the plate spacing being 1.2 mm and the diameter of the air supply running at a right angle being 1.1 mm.
  • Uster CV 100 The values for Uster CV 100 were determined by a Uster tester II-C as values for the titer uniformity. The measurement was carried out at 20 ° C and 65% rel. Humidity carried out. The test speed was 100 m / min at 2.5 min.
  • strands with a yarn length of 10 mm are curled. After one hour Relaxation time at 20 ° C room temperature and 65% rel. Moisture, the initial length is determined under 0.5 cN / tex load. Then hot air is applied in the oven at 190 ° C for 15 minutes. After an hour of conditioning at 20 ° C and 65% rel. The length of the strands is measured in moisture. The change in yarn length is related to the initial value.
  • the opening length is measured using the Rothschild entanglement tester. The test is carried out at 20 ° C and 25% rel. Moisture carried out. In the tested titer range between 50 and 200 dtex, the preload is 10 cN and the trigger force of the needle (triple level) is 20 cN.
  • the knitted tubes made from the yarns are cleaned in a solution consisting of water and detergent at a temperature of 30 to 35 °.
  • the knitted hoses are then pulled onto damping swords and inserted with a frame into a steaming cabinet preheated to 110 ° C for fixation.
  • the dwell time is 10 minutes.
  • the dyeing is then carried out in a solution of water, 60% acetic acid and the dye foron blue E-BL.
  • the residence time in the dyeing liquor is approximately 50 minutes at temperatures of approximately 125 °.
  • the knitted tubes are dried and visually assessed according to defined standards. Grades between 1 and 10 are given for uniformity of staining, with grade 10 corresponding very well to the rating.
  • Grades between 1 and 10 are also given when ready for staining, with a grade of 10 being given for a particularly uniform product.
  • a grade between 1 and 6 is given, the grade 6 meaning absolute speck-free.
  • the use of the device according to the invention results in yarns which are distinguished by very good uniformity (Uster CV 100) and with a uniformity and streakiness which is assessed as good.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)
  • Corsets Or Brassieres (AREA)
  • Harvester Elements (AREA)

Claims (29)

  1. Dispositif pour le filage à l'état fondu de fils multifilaments à partir de polymères pouvant former des fils, comprenant une filière (2), un système de refroidissement (4) pour solidifier le fil et un organe de groupement (6) pour les filaments, une ligne de filage (A-A) essentiellement verticale étant prévue au moins entre la filière (6) et un premier organe de groupement (6), le système de refroidissement étant constitué par un tube (4) poreux, ouvert dans le sens de filage et disposé concentriquement à la ligne de filage (A-A) et le tube poreux (4) n'étant ni précédé, ni suivi d'autres dispositifs d'amenée et d'évacuation de fluide de refroidissement, caractérisé par le fait que le dispositif comprend, en outre, un enroulement (8) à des vitesses d'enroulement d'au moins 2000 m/min, et que le tube poreux présente une porosité qui, à une vitesse de passage d'air de 1 m/s, engendre une perte de pression de 3 à 150 Pa.
  2. Dispositif suivant la revendication 1, caractérisé par le fait que la ligne de filage est essentiellement verticale entre la buse (2) et l'enroulement (8).
  3. Dispositif suivant la revendication 1 ou 2, caractérisé par le fait que le tube (4) constituant le dispositif de refroidissement présente une longueur de 200 à 1800 mm.
  4. Dispositif suivant l'une des revendications 1 à 3, caractérisé par le fait que le tube poreux (4) est cylindrique, sa section intérieure présentant au moins à peu près la même figure géométrique que le contour intérieur du faisceau de filaments (3).
  5. Dispositif suivant l'une des revendications 1 à 4, caractérisé par le fait que le tube poreux (4) est constitué par une toile métallique qui est, le cas échéant, soutenue par une tôle perforée.
  6. Dispositif suivant la revendication 5, caractérisé par le fait que la toile métallique est un tamis de 60 mesh.
  7. Dispositif suivant l'une des revendications 1 à 6, caractérisé par le fait que le tube poreux (4) est raccordé directement à la filière (2).
  8. Dispositif suivant l'une des revendications 1 à 6, caractérisé par le fait qu'un dispositif empêchant le refroidissement des filaments, présentant une longueur allant jusqu'à 300 mm, est disposé directement en dessous de la filière (2), le tube poreux (4) se raccordant à ce dispositif.
  9. Dispositif suivant la revendication 8, caractérisé par le fait que le dispositif empêchant le refroidissement des filaments est constitué par un flux d'air chaud enveloppant les filaments.
  10. Dispositif suivant la revendication 9, caractérisé par le fait que la filière est une filière multiple présentant au centre les orifices pour l'extrusion de la masse en fusion et concentriquement autour du centre une ou plusieurs ouvertures pour la sortie d'un flux d'air chaud enveloppant les filaments.
  11. Dispositif suivant la revendication 10, caractérisé par le fait que l'ouverture disposée concentriquement autour du centre est une fente annulaire.
  12. Dispositif suivant la revendication 8, caractérisé par le fait que le dispositif empêchant le refroidissement des filaments est constitué par un tube chauffé.
  13. Dispositif suivant la revendication 8, caractérisé par le fait que le dispositif empêchant le refroidissement des filaments est constitué par un tube non chauffé.
  14. Dispositif suivant l'une des revendications 1 à 7, caractérisé par le fait que pour empêcher le refroidissement des filaments, la partie du tube poreux (4) tournée vers la filière (2), est enveloppé sur un tronçon (5) d'une longueur allant jusqu'à 300 mm.
  15. Dispositif suivant la revendication 14, caractérisé par le fait que le tronçon (5) enveloppé est disposé directement en dessous de la filière (2).
  16. Dispositif suivant la revendication 14, caractérisé par le fait que le tronçon enveloppé est disposé à une distance de 200 à 300 mm de la filière.
  17. Dispositif suivant l'une des revendications 1 à 16, caractérisé par le fait que l'organe de groupement (6) est disposé à une distance de 400 à 2200 mm de la filière (2) mais au moins à environ 100 mm en dessous du tube poreux (4).
  18. Dispositif suivant l'une des revendications 1 à 17, caractérisé par le fait que l'organe de groupement (6) est constitué par un dispositif d'application de préparation, connu en soi.
  19. Dispositif suivant l'une des revendications 1 à 18, caractérisé par le fait que l'enroulement (8) est disposé à peu près à 2000 à 4000 mm en dessous de la filière (2).
  20. Dispositif suivant l'une des revendications 1 à 19, caractérisé par le fait qu'un dispositif (7) pour l'entremêlement des filaments est disposé en amont de l'enroulement (8).
  21. Dispositif suivant l'une des revendications 1 à 20, caractérisé par le fait que la filière est précédée d'une conduite d'amenée de polymère en fusion d'une extrudeuse vers la filière, conduite dans laquelle est disposé au moins un mélangeur statique.
  22. Dispositif suivant la revendication 21, caractérisé par le fait que des mélangeurs statiques sont disposés à un ou plusieurs endroits dans la conduite de polymère en fusion entre l'extrudeuse et la filière.
  23. Dispositif suivant la revendication 21 ou 22, caractérisé par le fait que les mélangeurs statiques sont disposés directement en amont d'un paquet de filtre précédant la filière.
  24. Utilisation du dispositif suivant au moins l'une des revendications 1 à 23, pour la fabrication de filés de filaments, les filés de filaments étant enroulés à des vitesses allant jusqu'à 10000 m/min.
  25. Utilisation suivant la revendication 24, les filés de filaments étant constitués par du poly(téréphthalate d'éthylène), un polyamide, du polyamide 6, polyamide 6 - 6, et leurs copolymères ou mélanges.
  26. Utilisation du dispositif suivant l'une des revendications 1 à 23, pour la fabrication de filés de filaments de polyester, les filés de filaments de polyester étant enroulés à des vitesses allant jusqu'à 10000 m/min.
  27. Utilisation du dispositif suivant l'une des revendications 1 à 23, pour la fabrication de filés de polyester, les filés de polyester étant enroulés à des vitesses allant de 5000 à 8000 m/min.
  28. Utilisation du disposiif suivant l'une des revendications 1 à 23 pour la fabrication de filés de polyester, les filés de polyester étant enroulés à des vitesses de 2000 à 5000 m/min.
  29. Utilisation du dispositif suivant l'une des revendications 1 à 23 pour la fabrication de filés de filaments, les filés étant enroulés à des vitesses de 2000 à 8000 m/min, les filaments des filés présentant un titre élémentaire de 0,1 à 6 dtex.
EP92114493A 1991-09-06 1992-08-26 Dispositif de filage à grande vitesse de fils multifilaments et son utilisation Expired - Lifetime EP0530652B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE4129521A DE4129521A1 (de) 1991-09-06 1991-09-06 Vorrichtung zum schnellspinnen von multifilen faeden und deren verwendung
DE4129521 1991-09-06
DE4201119 1992-01-17
DE4201119 1992-01-17
DE4207095 1992-03-06
DE4207095 1992-03-06

Publications (3)

Publication Number Publication Date
EP0530652A2 EP0530652A2 (fr) 1993-03-10
EP0530652A3 EP0530652A3 (en) 1993-08-11
EP0530652B1 true EP0530652B1 (fr) 1995-12-06

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EP92114493A Expired - Lifetime EP0530652B1 (fr) 1991-09-06 1992-08-26 Dispositif de filage à grande vitesse de fils multifilaments et son utilisation

Country Status (10)

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US (1) US5612063A (fr)
EP (1) EP0530652B1 (fr)
JP (1) JPH05195307A (fr)
CN (1) CN1056203C (fr)
AT (1) ATE131224T1 (fr)
BR (1) BR9203460A (fr)
DE (1) DE59204574D1 (fr)
ES (1) ES2080396T3 (fr)
MX (1) MX9205054A (fr)
SG (1) SG67284A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19716394C1 (de) * 1997-04-18 1998-09-03 Inventa Ag Verfahren und Vorrichtung zur passiven verzögerten Abkühlung von Spinnfilamenten
CN107829160A (zh) * 2017-12-26 2018-03-23 中维化纤股份有限公司 一种无染锦纶66工业色丝及其制备方法

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4208568A1 (de) * 1992-03-18 1993-09-23 Zimmer Ag Verfahren und vorrichtung zur herstellung synthetischer endlosfilamente
US5688458A (en) * 1992-03-18 1997-11-18 Maschinenfabrik Rieter Ag Method and device to manufacture synthetic endless filaments
DE9306510U1 (fr) * 1992-06-13 1993-06-09 Barmag Ag, 5630 Remscheid, De
BR9400682A (pt) * 1993-03-05 1994-10-18 Akzo Nv Aparelho para a fiação em fusão de fios multifilamentares e sua aplicação
TW268054B (fr) * 1993-12-03 1996-01-11 Rieter Automatik Gmbh
US5976431A (en) * 1993-12-03 1999-11-02 Ronald Mears Melt spinning process to produce filaments
DE59910596D1 (de) * 1998-07-23 2004-10-28 Saurer Gmbh & Co Kg Spinnvorrichtung und -verfahren zum spinnen eines synthetischen fadens
TW538150B (en) 1998-11-09 2003-06-21 Barmag Barmer Maschf Method and apparatus for producing a highly oriented yarn
US6332994B1 (en) 2000-02-14 2001-12-25 Basf Corporation High speed spinning of sheath/core bicomponent fibers
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CN107829160A (zh) * 2017-12-26 2018-03-23 中维化纤股份有限公司 一种无染锦纶66工业色丝及其制备方法

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EP0530652A3 (en) 1993-08-11
ATE131224T1 (de) 1995-12-15
EP0530652A2 (fr) 1993-03-10
ES2080396T3 (es) 1996-02-01
CN1056203C (zh) 2000-09-06
JPH05195307A (ja) 1993-08-03
CN1128809A (zh) 1996-08-14
DE59204574D1 (de) 1996-01-18
US5612063A (en) 1997-03-18
MX9205054A (es) 1993-03-01
BR9203460A (pt) 1993-03-30
SG67284A1 (en) 1999-09-21

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